Every studio, be it a professional recording studio or just a home studio, needs a good set of monitor speakers, with a flat frequency response so you can hear exactly what the recording will sound like. If this describes your own needs, then you should get a pair of these 5-inch Powered Studio Monitor Speakers from Monoprice!These speakers are professional quality studio monitors, designed to produce a flat frequency response for studio recording, mixing, and mastering duties. Each speaker is separately powered, is bi-amped with two dedicated amplifiers, and uses both balanced XLR and balanced/unbalanced TRS/TS audio input paths.The tweeter is a 1" silk dome design with magnetic shielding for a flat frequency response and accurate musical reproduction. The woofer is a 5" Kevlar cone with magnetic shielding, rubber surround, and a high-temperature voice coil, for long hours of high volume work.Each monitor enclosure includes two separate power amplifiers totaling 70 watts of music power. A 30 watt amplifier is used to drive the tweeter, while a 40 watt amp drives the woofer. This use of dual amplifiers ensures that each driver has the power it needs without compromising the output of the other driver, ensuring that the audio output remains crisp, clean, loud, and distortion free at all times.A four-position selector switch on the back of each speaker allows you to adjust the high-frequency bias, with either a -2dB, -1dB, Flat, or +1dB shelving of frequencies above 2000 Hz. The purpose of this circuitry is to adjust the high-frequency response to the characteristics of the room being used. In a "bright" musical environment, an attenuation of the high frequencies is needed to produce a flat frequency response, while a more sound absorbent environment may require a boost of the high-frequencies to achieve a flat overall response.